| 摘要 |
A communication system for performing communications on a network, including: a user terminal; and an edge node disposed at an edge of a provider domain and having a transfer control portion for controlling forwarding of packets forwarded from an originating user terminal or packets forwarded from another edge node. When definitions of important flow packets are set in the edge node, the transfer control portion establishes a connection for transfer of important flow packets between an edge node with which the originating user terminal is connected and an edge node with which a destination user terminal is connected.
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